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Question

A hall is $$25$$ m long. $$8$$m wide and $$5$$m high. Its walls and the roof are to be white wash inside. Find the total area to be washed(in $$m^2$$).


Solution

Area to be white washed $$=2(l+b)\times h +l\times b=2(25+8)\times 5 + (25\times 8) \\ =330+200=530m^2$$

Mathematics

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